Lena Dunham and Jemima Kirke support the body positivity campaign.
Designers from M&S ASOS, Triumph and Gossard were in the audience.
The model has created her own signature range for the brand.
Designer Betsan Evans won the lingerie and swimwear award.
David Walmsley will join the company as chief customer officer.
The Kendall + Kylie collection will hit stores this week.
More than 2,000 hopefuls have entered Curvy Kate's competition.
Derbyshire MP Pauline Latham has been contacted by interested buyers.